Department of Microbiology and Immunology


Conversion Factors

1 ppm (mg/L) = 0.38 grams per 100 gallons of water
3.8 milligrams per gallon of water
0.0283 grams per cubic foot of water
0.38 milliliters per 100 gallons of water
2.72 pounds per acre-foot of water
1 milligrams per liter of water
1 grams per cubic meter of water
0.001 milliliters per liter of water
1 acre-foot = 43,560 cubic feet
325,850 gallons
1 acre-foot of water = 2,718,144 pounds
1 cubic foot of water = 7.48 gallons
62.4 pounds
28.3 liters
28.3 kilograms
1 cubic meter of water = 1,000 liters
35.2 cubic feet of water
2.205 pounds of water
1 gallon of water = 8.34 pounds
1 gram = 0.0353 ounces
1 kilogram = 2.2 pounds
1 pound = 454 grams
1 gallon = 3.785 liters
1 gallon of water = 3,785 grams
1 liter = 0.26 gallon
1,000 cubic centimeters
1,000 milliliters
1 liter of water =

1,000 grams

1 ounce = 28.35 grams
1 gallon = 128 fluid ounces
1 fluid ounce = 28.4 grams
1 inch = 2.54 centimeters
1 foot = 30.48 centimeters
1 cubic centimeter of water = 1 gram
1 milliliter
Surface Area  
1 hectare = 10,000 square meters
1 hectare = 2.47 acre
1 acre = 0.405 hectare
1 acre = 43,560 square feet
Temperature Conversion  
Centigrade to Fahrenheit = (C X 9/5) + 32
Fahrenheit to Centigrade = (F - 32) X 5/9

Percent Solution For 1 percent solution add: 38 grams per gallon 1.3 ounces per gallon
10 grams per liter 38 cc per gallon
10 cc per liter